: maybe include both versions on the disk so most tv's here in europe are 60Hz
: too, that we can play with them with our imported US boxes.

Unfortunately, this is a situation where we're not going to be able to make everyone happy. We're not going to revise Halo to make the NTSC and PAL versions interoperable. We'll do our best to avoid this issue in future titles, but we're not going to rework the one we just shipped.